SAN BERNARDINO (CBSLA.com) — Police in San Bernardino are searching for a gunman who opened fire outside a liquor store Friday night, killing two men and a boy.

Two of the dead were identified Saturday morning as father and son Travon Williams, 26, and Travon Williams, Jr., 9. The boy was set to turn 10 years old on Saturday, his family said. The third victim was identified as Samathy Mahan, 25.

Police said Mahan was believed to have been the intended target of the attack.